firstcom.com.vn - dns.ninja

`firstcom.com.vn`

DNSSEC	⚠️ Not signed
A	103.138.88.69^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
NS	`ns-b3.tenten.vn` ⭐
		A	2404:f080:1101:321:a150:95:110:1232^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-2.a00e.g.han1.static.cnode.io`
		A	163.44.207.21^{🇻🇳 GMO-ZCOM-AS-VN163.44.206.0/23 RUNSYSTEM-VN}
			PTR	`v163-44-207-21.a006.g.han1.static.cnode.io`
NS	`ns-b1.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1230^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-0.a00e.g.han1.static.cnode.io`
		A	137.59.104.67^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
NS	`ns-b2.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1231^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`va150-95-110-123-1.a00e.g.han1.static.cnode.io`
		A	137.59.104.68^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
			PTR	`static-pool.tenten.vn`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
SOA	`ns-b3.tenten.vn`root@firstcom.com.vn serial=1780990417

`com.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2022848603

Same first word

firstcom.cn

firstcom.com.sg

firstcom.cl

firstcom.ch

firstcom.net

firstcom.hu

firstcom.kr

firstcom.com.br

firstcom.com

firstcom.com.pe

firstcom.dk

firstcom.vn

firstcom.fr

firstcom.co.uk

firstcom.ru

firstcom.eu

firstcom.no

firstcom.co.kr

firstcom.com.vn

firstcom.org

firstcom.de

Similar names

DNS History

12 records (6 active, 6 former)

●NSns-b1.tenten.vn2026-02-26 → 2026-08-13 · 3 obs

○ 2016-07-12 19:28:20
● 2026-02-26 16:41:10
● 2026-08-13 20:06:40

●NSns-b2.tenten.vn2026-02-26 → 2026-08-13 · 3 obs

○ 2016-07-12 19:28:20
● 2026-02-26 16:41:10
● 2026-08-13 20:06:40

●NSns-b3.tenten.vn2026-02-26 → 2026-08-13 · 3 obs

○ 2016-07-12 19:28:20
● 2026-02-26 16:41:10
● 2026-08-13 20:06:40

○NSns.firstcom.com.vn2015-06-05 → 2016-07-12 · 4 obs

● 2015-06-05 10:54:48
● 2016-07-12 19:28:20
○ 2026-02-26 16:41:10
○ 2026-08-13 20:06:40

○NSns1.hcmc.netnam.vn2015-06-05 → 2016-07-12 · 4 obs

● 2015-06-05 10:54:48
● 2016-07-12 19:28:20
○ 2026-02-26 16:41:10
○ 2026-08-13 20:06:40

○NSns2.hcmc.netnam.vn2015-06-05 → 2016-07-12 · 4 obs

● 2015-06-05 10:54:48
● 2016-07-12 19:28:20
○ 2026-02-26 16:41:10
○ 2026-08-13 20:06:40

○MXmail.firstcom.com.vn2015-06-05 → 2016-01-20 · 4 obs

● 2015-06-05 10:54:48
● 2016-01-20 10:34:28
○ 2016-04-10 12:26:38
○ 2026-08-13 20:06:40

●MXmx.zoho.com2016-04-10 → 2026-08-13 · 6 obs

○ 2016-01-20 10:34:28
● 2016-04-10 12:26:38
● 2016-07-12 19:28:20
○ 2026-06-29 10:13:02
● 2026-07-09 08:45:38
● 2026-08-13 20:06:40

●MXmx2.zoho.com2016-04-10 → 2026-08-13 · 6 obs

○ 2016-01-20 10:34:28
● 2016-04-10 12:26:38
● 2016-07-12 19:28:20
○ 2026-06-29 10:13:02
● 2026-07-09 08:45:38
● 2026-08-13 20:06:40

●A103.138.88.692026-06-26 → 2026-08-13 · 5 obs

○ 2016-04-10 12:26:38
● 2026-06-26 19:35:44
○ 2026-06-29 01:18:16
● 2026-06-29 10:13:02
● 2026-08-13 20:06:40

○A119.17.253.1772015-06-05 → 2015-12-15 · 4 obs

● 2015-06-05 10:54:48
● 2015-12-15 07:19:10
○ 2016-01-20 10:34:28
○ 2026-08-13 20:06:40

○A210.86.239.382016-01-20 → 2016-01-20 · 4 obs

○ 2015-12-15 07:19:10
● 2016-01-20 10:34:28
○ 2016-04-10 12:26:38
○ 2026-08-13 20:06:40

🔍 DNS Trace

Analysis

IP Addresses

firstcom.com.vn resolves to just one IP address, 103.138.88.69.

Two other host names, along with vietaseeds.com, seareal.vn and kaizenarchi.vn, also share IP numbers with firstcom.com.vn.

Name Servers

firstcom.com.vn has three name servers — ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.

firstcom.com.vn has at least partial name server overlap with other domains, such as mailinhhanoi.vn, kujiale.com.vn, vuacuacamau.vn and two others.

These name servers tend to appear together with the name servers ns-a1.tenten.vn, ns-a2.tenten.vn and ns-a3.tenten.vn.

Each of ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn points to two IP numbers. ns-b1.tenten.vn points to 137.59.104.67 and 2404:f080:1101:321:a150:95:110:1230. ns-b2.tenten.vn points to 137.59.104.68 and 2404:f080:1101:321:a150:95:110:1231. ns-b3.tenten.vn points to 163.44.207.21 and 2404:f080:1101:321:a150:95:110:1232.

Mail Servers

firstcom.com.vn is served by two mail servers, mx2.zoho.com and mx.zoho.com.

Among the domains sharing a mail server setup with firstcom.com.vn are persone.space, mikanani.me, segurizalo.com and two others.

There is at least a partial MX overlap between firstcom.com.vn and other domains, including iotadevices.com, christineadams.co.za, mail.algeelogistics.com and two others.

These mail servers often co-occur with the mail servers mx3.zoho.com.

mx2.zoho.com directs to 136.143.183.44 and mx.zoho.com directs to 204.141.43.44; each host name points to exactly one IP number.